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<FONT color="green">001</FONT>    /* <a name="line.1"></a>
<FONT color="green">002</FONT>     Copyright 2009 Regents of the University of Colorado.  <a name="line.2"></a>
<FONT color="green">003</FONT>     All rights reserved. <a name="line.3"></a>
<FONT color="green">004</FONT>    <a name="line.4"></a>
<FONT color="green">005</FONT>     Licensed under the Apache License, Version 2.0 (the "License"); <a name="line.5"></a>
<FONT color="green">006</FONT>     you may not use this file except in compliance with the License. <a name="line.6"></a>
<FONT color="green">007</FONT>     You may obtain a copy of the License at <a name="line.7"></a>
<FONT color="green">008</FONT>    <a name="line.8"></a>
<FONT color="green">009</FONT>     http://www.apache.org/licenses/LICENSE-2.0 <a name="line.9"></a>
<FONT color="green">010</FONT>    <a name="line.10"></a>
<FONT color="green">011</FONT>     Unless required by applicable law or agreed to in writing, software <a name="line.11"></a>
<FONT color="green">012</FONT>     distributed under the License is distributed on an "AS IS" BASIS, <a name="line.12"></a>
<FONT color="green">013</FONT>     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. <a name="line.13"></a>
<FONT color="green">014</FONT>     See the License for the specific language governing permissions and <a name="line.14"></a>
<FONT color="green">015</FONT>     limitations under the License.<a name="line.15"></a>
<FONT color="green">016</FONT>    */<a name="line.16"></a>
<FONT color="green">017</FONT>    <a name="line.17"></a>
<FONT color="green">018</FONT>    package org.uutuc.factory;<a name="line.18"></a>
<FONT color="green">019</FONT>    <a name="line.19"></a>
<FONT color="green">020</FONT>    import java.util.ArrayList;<a name="line.20"></a>
<FONT color="green">021</FONT>    import java.util.List;<a name="line.21"></a>
<FONT color="green">022</FONT>    <a name="line.22"></a>
<FONT color="green">023</FONT>    import org.apache.uima.UIMAException;<a name="line.23"></a>
<FONT color="green">024</FONT>    import org.apache.uima.cas.Feature;<a name="line.24"></a>
<FONT color="green">025</FONT>    import org.apache.uima.jcas.JCas;<a name="line.25"></a>
<FONT color="green">026</FONT>    import org.apache.uima.jcas.tcas.Annotation;<a name="line.26"></a>
<FONT color="green">027</FONT>    <a name="line.27"></a>
<FONT color="green">028</FONT>    /**<a name="line.28"></a>
<FONT color="green">029</FONT>     * This class was written as a simple way to populate a JCas with tokens along<a name="line.29"></a>
<FONT color="green">030</FONT>     * with part-of-speech and stem information and assumes you already have this<a name="line.30"></a>
<FONT color="green">031</FONT>     * information at your disposal. This should not be confused with an actual<a name="line.31"></a>
<FONT color="green">032</FONT>     * tokenizer (or part-of-speech tagger) which tokenizes and tags plain text.  <a name="line.32"></a>
<FONT color="green">033</FONT>     * <a name="line.33"></a>
<FONT color="green">034</FONT>     * @author Steven Bethard, Philip Ogren<a name="line.34"></a>
<FONT color="green">035</FONT>     */<a name="line.35"></a>
<FONT color="green">036</FONT>    public class TokenFactory {<a name="line.36"></a>
<FONT color="green">037</FONT>    <a name="line.37"></a>
<FONT color="green">038</FONT>            public static &lt;TOKEN_TYPE extends Annotation, SENTENCE_TYPE extends Annotation&gt; void createTokens(JCas jCas,<a name="line.38"></a>
<FONT color="green">039</FONT>                            String text, Class&lt;TOKEN_TYPE&gt; tokenClass, Class&lt;SENTENCE_TYPE&gt; sentenceClass) throws UIMAException {<a name="line.39"></a>
<FONT color="green">040</FONT>                    createTokens(jCas, text, tokenClass, sentenceClass, null, null, null, null, null);<a name="line.40"></a>
<FONT color="green">041</FONT>            }<a name="line.41"></a>
<FONT color="green">042</FONT>    <a name="line.42"></a>
<FONT color="green">043</FONT>            public static &lt;TOKEN_TYPE extends Annotation, SENTENCE_TYPE extends Annotation&gt; void createTokens(JCas jCas,<a name="line.43"></a>
<FONT color="green">044</FONT>                            String text, Class&lt;TOKEN_TYPE&gt; tokenClass, Class&lt;SENTENCE_TYPE&gt; sentenceClass, String tokensString)<a name="line.44"></a>
<FONT color="green">045</FONT>                            throws UIMAException {<a name="line.45"></a>
<FONT color="green">046</FONT>                    createTokens(jCas, text, tokenClass, sentenceClass, tokensString, null, null, null, null);<a name="line.46"></a>
<FONT color="green">047</FONT>            }<a name="line.47"></a>
<FONT color="green">048</FONT>    <a name="line.48"></a>
<FONT color="green">049</FONT>            /**<a name="line.49"></a>
<FONT color="green">050</FONT>             * Add Token and Sentence annotations to the JCas.<a name="line.50"></a>
<FONT color="green">051</FONT>             * <a name="line.51"></a>
<FONT color="green">052</FONT>             * @param jCas<a name="line.52"></a>
<FONT color="green">053</FONT>             *            The JCas where the annotation should be added.<a name="line.53"></a>
<FONT color="green">054</FONT>             * @param text<a name="line.54"></a>
<FONT color="green">055</FONT>             *            The text of the document.<a name="line.55"></a>
<FONT color="green">056</FONT>             * @param tokensString<a name="line.56"></a>
<FONT color="green">057</FONT>             *            The text of the document with spaces separating words and<a name="line.57"></a>
<FONT color="green">058</FONT>             *            newlines separating sentences.<a name="line.58"></a>
<FONT color="green">059</FONT>             * @param posTagsString<a name="line.59"></a>
<FONT color="green">060</FONT>             *            The part of speech tags for each word, separated by spaces.<a name="line.60"></a>
<FONT color="green">061</FONT>             * @param stemsString<a name="line.61"></a>
<FONT color="green">062</FONT>             *            The stems for each word, separated by spaces.<a name="line.62"></a>
<FONT color="green">063</FONT>             * @throws UIMAException<a name="line.63"></a>
<FONT color="green">064</FONT>             */<a name="line.64"></a>
<FONT color="green">065</FONT>            public static &lt;TOKEN_TYPE extends Annotation, SENTENCE_TYPE extends Annotation&gt; void createTokens(JCas jCas,<a name="line.65"></a>
<FONT color="green">066</FONT>                            String text, Class&lt;TOKEN_TYPE&gt; tokenClass, Class&lt;SENTENCE_TYPE&gt; sentenceClass, String tokensString,<a name="line.66"></a>
<FONT color="green">067</FONT>                            String posTagsString, String stemsString, String posFeatureName, String stemFeatureName)<a name="line.67"></a>
<FONT color="green">068</FONT>                            throws UIMAException {<a name="line.68"></a>
<FONT color="green">069</FONT>                    // set the document text and add Token annotations as indicated<a name="line.69"></a>
<FONT color="green">070</FONT>                    jCas.setDocumentText(text);<a name="line.70"></a>
<FONT color="green">071</FONT>                    int offset = 0;<a name="line.71"></a>
<FONT color="green">072</FONT>                    int tokenIndex = 0;<a name="line.72"></a>
<FONT color="green">073</FONT>    <a name="line.73"></a>
<FONT color="green">074</FONT>                    Feature posFeature = null;<a name="line.74"></a>
<FONT color="green">075</FONT>                    if (posFeatureName != null) posFeature = jCas.getTypeSystem().getFeatureByFullName(posFeatureName);<a name="line.75"></a>
<FONT color="green">076</FONT>                    Feature stemFeature = null;<a name="line.76"></a>
<FONT color="green">077</FONT>                    if (stemFeatureName != null) stemFeature = jCas.getTypeSystem().getFeatureByFullName(stemFeatureName);<a name="line.77"></a>
<FONT color="green">078</FONT>    <a name="line.78"></a>
<FONT color="green">079</FONT>                    String[] sentenceStrings = (tokensString != null ? tokensString : text).split("\n");<a name="line.79"></a>
<FONT color="green">080</FONT>                    String[] posTags = posTagsString != null ? posTagsString.split(" ") : null;<a name="line.80"></a>
<FONT color="green">081</FONT>                    String[] stems = stemsString != null ? stemsString.split(" ") : null;<a name="line.81"></a>
<FONT color="green">082</FONT>                    for (String sentenceString : sentenceStrings) {<a name="line.82"></a>
<FONT color="green">083</FONT>                            String[] tokenStrings = sentenceString.trim().split(" ");<a name="line.83"></a>
<FONT color="green">084</FONT>                            List&lt;Annotation&gt; tokenAnnotations = new ArrayList&lt;Annotation&gt;();<a name="line.84"></a>
<FONT color="green">085</FONT>                            for (String tokenString : tokenStrings) {<a name="line.85"></a>
<FONT color="green">086</FONT>                                    // move the offset up to the beginning of the token<a name="line.86"></a>
<FONT color="green">087</FONT>                                    while (!text.startsWith(tokenString, offset)) {<a name="line.87"></a>
<FONT color="green">088</FONT>                                            offset++;<a name="line.88"></a>
<FONT color="green">089</FONT>                                            if (offset &gt; text.length()) {<a name="line.89"></a>
<FONT color="green">090</FONT>                                                    throw new IllegalArgumentException(String.format("unable to find string %s", tokenString));<a name="line.90"></a>
<FONT color="green">091</FONT>                                            }<a name="line.91"></a>
<FONT color="green">092</FONT>                                    }<a name="line.92"></a>
<FONT color="green">093</FONT>    <a name="line.93"></a>
<FONT color="green">094</FONT>                                    // add the Token<a name="line.94"></a>
<FONT color="green">095</FONT>                                    int start = offset;<a name="line.95"></a>
<FONT color="green">096</FONT>                                    offset = offset + tokenString.length();<a name="line.96"></a>
<FONT color="green">097</FONT>                                    Annotation token = AnnotationFactory.createAnnotation(jCas, start, offset, tokenClass);<a name="line.97"></a>
<FONT color="green">098</FONT>                                    tokenAnnotations.add(token);<a name="line.98"></a>
<FONT color="green">099</FONT>    <a name="line.99"></a>
<FONT color="green">100</FONT>                                    // set the stem and part of speech if present<a name="line.100"></a>
<FONT color="green">101</FONT>                                    if (posFeatureName != null) {<a name="line.101"></a>
<FONT color="green">102</FONT>                                            token.setStringValue(posFeature, posTags[tokenIndex]);<a name="line.102"></a>
<FONT color="green">103</FONT>                                    }<a name="line.103"></a>
<FONT color="green">104</FONT>                                    if (stemFeatureName != null) {<a name="line.104"></a>
<FONT color="green">105</FONT>                                            token.setStringValue(stemFeature, stems[tokenIndex]);<a name="line.105"></a>
<FONT color="green">106</FONT>                                    }<a name="line.106"></a>
<FONT color="green">107</FONT>                                    tokenIndex++;<a name="line.107"></a>
<FONT color="green">108</FONT>                            }<a name="line.108"></a>
<FONT color="green">109</FONT>                            if (tokenAnnotations.size() &gt; 0) {<a name="line.109"></a>
<FONT color="green">110</FONT>                                    int begin = tokenAnnotations.get(0).getBegin();<a name="line.110"></a>
<FONT color="green">111</FONT>                                    int end = tokenAnnotations.get(tokenAnnotations.size() - 1).getEnd();<a name="line.111"></a>
<FONT color="green">112</FONT>                                    AnnotationFactory.createAnnotation(jCas, begin, end, sentenceClass);<a name="line.112"></a>
<FONT color="green">113</FONT>                            }<a name="line.113"></a>
<FONT color="green">114</FONT>                    }<a name="line.114"></a>
<FONT color="green">115</FONT>            }<a name="line.115"></a>
<FONT color="green">116</FONT>    }<a name="line.116"></a>




























































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